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Debora [2.8K]
2 years ago
13

Can someone help me find the missing ones​

Mathematics
1 answer:
mixer [17]2 years ago
7 0

Answer:

The answer is in Step.

Step-by-step explanation:

Domain: (- inf, + inf)

Range: (- inf, 3]
Increasing: (- inf , 0)

Decreasing: (0 , + inf)
Positive: (- 1 , 1 )
Negative: (- inf , -1) , (1 , + inf)

Maximum: (0,3) or just 3.

Minimum: None.
x-int: -1, 1
y-int: 3

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Can someone help me please
mojhsa [17]
You want to begin by changing your units to the same thing. The problem uses minutes and hours, and according to time 1 hour is 60 minutes.
Since we have 2 hours we want to multiply 60 by 2 to get 120. According to the problem, the biker to an extra 30 minutes and adding that to the time we already calculated we get 150.
We can say, the biker took 150 minutes to go through 45 miles. To find out how many miles he took per minute, we divide them (45/150) to get that he or she went through 0.3 miles per minute.
Again, we know 1 hour is 60 minutes, so to get how many miles per hour we want to multiply .3 by 60. This gets us 18.
Therefore, the biker travels 18 miles per hour
5 0
2 years ago
All you have to do is write the function!
sasho [114]

Answer:

The function that represents the average cost in dollars of saleable software CD is given as follows;

f(x) = 500,020/x + 0.10

Step-by-step explanation:

The given parameters are;

The cost of manufacture of each software CD = $0.10

The development cost to produce the CD = $500,000

The number of CDs that are not sold = The first 200 CDs

The total cost of production. 'C', of the the CD is given as follows;

C = $500,000 + $0.10×200  = $500,020

The function, 'f' for the average cost in dollars of a saleable software CD where 'x' is the number of saleable software CDs is given as follows;

f(x) = (C + 0.10·x)/x = C/x + 0.10

∴ f(x) = 500,020/x + 0.10.

5 0
3 years ago
What is the value of x?<br> x−1/6=8 Enter your answer in the box in simplest form.
Gnoma [55]
X = 8 16/99 is fraction form

3 0
2 years ago
Read 2 more answers
A golf ball is hit with an initial velocity of 64 Ft/s. The function h(t) = -16t^2 + 64t models the height h (in feet) of the go
Arlecino [84]

Answer:

  • Yes, the ball reaches the height of 64 ft

Step-by-step explanation:

<u>Given function</u>

  • h(t) = -16t^2 + 64t

<u>The maximum value is at vertex and the x-value of the vertex is:</u>

  • t = -64/2(-16) = 2

<u>Finding the maximum height the ball can reach:</u>

  • h(2) = -16(2²) + 64(2) = -64 + 128 = 64

The answer is yes

7 0
2 years ago
I need help with this :) (easy)
Pie
.2x.8=.16
2.4x.7=1.68
3.9x.4=1.56
.9x.1=.09
.2x1.5=.3
.6x.6=.36
6 0
3 years ago
Read 2 more answers
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